1405359 has 6 divisors (see below), whose sum is σ = 2029976. Its totient is φ = 936900.

The previous prime is 1405351. The next prime is 1405361. The reversal of 1405359 is 9535041.

It is not a de Polignac number, because 1405359 - 2³ = 1405351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78067 + ... + 78084.

2^1405359 is an apocalyptic number.

1405359 is a deficient number, since it is larger than the sum of its proper divisors (624617).

1405359 is a wasteful number, since it uses less digits than its factorization.

1405359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156157 (or 156154 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1405359 is about 1185.4783844508. The cubic root of 1405359 is about 112.0114518477.

It can be divided in two parts, 1405 and 359, that added together give a square (1764 = 42²).

The spelling of 1405359 in words is "one million, four hundred five thousand, three hundred fifty-nine".